Manual

Table Of Contents

Fault

num‐

ber

Alarm/

warning

bit num‐

ber

Fault text Warn‐

ing

Alarm Trip

locked

Cause of problem

80 29 Drive initial-

ised

– X – All parameter settings are initialized to default settings.

87 47 Auto DC

Braking

X – – The drive is auto DC braking.

95 40 Broken Belt X X – Torque is below the torque level set for no load, indicat-

ing a broken belt. See parameter group 22-6* Broken Belt

Detection.

126 – Motor Rotat-

ing

– X – High back EMF voltage. Stop the rotor of the PM motor.

200 – Fire Mode X – – Fire mode has been activated.

202 – Fire Mode

Limits Excee-

ded

X – – Fire mode has suppressed 1 or more warranty voiding

alarms.

250 – New spare-

part

– X X The power or switch mode power supply has been ex-

changed (on 400 V, 30–90 kW (40–125 hp) and 600 V

units). Contact the local Danfoss supplier.

251 – New Type-

code

– X X The drive has a new type code (on 400 V, 30– 90 kW (40–

125 hp) and 600 V units). Contact the local Danfoss sup-

plier.

Warnings and Alarms

Operating Guide | VLT® HVAC Basic Drive FC 101

AQ275641848264en-000101 / 132R0078| 65